package test1;

import java.math.BigDecimal;
import java.util.Map;
import java.util.Properties;

public class Test3 {

	public static void main(String[] args) {
		BigDecimal bd1=new BigDecimal("9334453454546343433434343346445");
		BigDecimal bd2=new BigDecimal("12339334453454546343433434343346445");
		//bd2*bd3
		BigDecimal bd3=bd1.multiply(bd2);
		//BigDecimal bd4=bd1.divide(bd2);
		System.out.println(bd3.toString());
		
		Color red=Color.RED;
		switch (red) {
		case RED:
			System.out.println("is red");
			break;
		case BLUE:
			break;
		default:
			break;
		}
		
		//System.currentTimeMillis();
		Map<String, String> env= System.getenv();
		
		Properties pros= System.getProperties();
		
		for(String s:env.keySet()){
			System.out.println(s+"\t"+env.get(s));
		}
		System.out.println("================================");
		for(Object o:pros.keySet()){
			System.out.println(o+"\t"+pros.get(o));
		}
		
		
	}

}


enum Color{
	RED,GREEN,BLUE;
}

